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<TITLE>Getting the Subject and Issuer Distinguished Names of an X509 Certificate
(Java Developers Almanac Example)
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<B><A HREF="../java.security.cert/pkg.html">java.security.cert</A></B><font color="#666666" SIZE="-2">
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<h3>
e227.
Getting the Subject and Issuer Distinguished Names of an X509 Certificate</h3>
This example lists the subject and issuer distinguished names of the
certificates in a keystore. To load a keystore, see
<a href="../java.security/ListAliases.html" class="eglink"><font size="-1"><b>e208</b> Listing the Aliases in a Key Store</font></a>.
<pre>
try {
// List the aliases
Enumeration enum = <font color="#0066ff"><i>keystore</i></font>.aliases();
for (; enum.hasMoreElements(); ) {
String alias = (String)enum.nextElement();
java.security.cert.Certificate cert = <font color="#0066ff"><i>keystore</i></font>.getCertificate(alias);
if (cert instanceof X509Certificate) {
X509Certificate x509cert = (X509Certificate)cert;
// Get subject
Principal principal = x509cert.getSubjectDN();
String subjectDn = principal.getName();
// Get issuer
principal = x509cert.getIssuerDN();
String issuerDn = principal.getName();
}
}
} catch (KeyStoreException e) {
}
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Related Examples
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e223. <a class="eglink" href="CreateCert.html?l=rel">
Creating a New Key Pair and Self-signed Certificate Using keytool
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e224. <a class="eglink" href="ExportCert.html?l=rel">
Exporting a Certificate to a File
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e225. <a class="eglink" href="ImportCert.html?l=rel">
Importing a Certificate from a File
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e226. <a class="eglink" href="ListCertFact.html?l=rel">
Listing All Available Certificate Formats
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See also:
<a class="eglink" href="/egs/java.security.cert/pkg.html?l=rel#Certification%20Paths">
Certification Paths
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